Image 2 (IMAGE) Nanyang Technological University Caption Dr Naito and Assoc Prof Saheki demonstrating a key diagram demonstrating the role of the proteins in regulating cholesterol in human cells. Credit NTU Singapore Usage Restrictions No restrictions. License Public Domain Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.